Patent SG-11201906805Y-A (SG)
Title: Demulsification additive composition, use thereof, and method of demulsification
Inventor: SUBRAMANIYAM MAHESH
IPC: B01D17/04
Filed: 2018-01-12
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 02 August 2018 (02.08.2018) WIPO I PCT omit VIII °nolo oil! VIII VIII nu num oimIE (10) International Publication Number WO 2018/138595 Al (51) International Patent Classification: ClOG 31/08 (2006.01) ClOG 33/04 (2006.01) BOlD 17/04 (2006.01) C08G 8/08 (2006.01) C07C 47/127 (2006.01) C08G 16/00 (2006.01) (21) International Application Number: PCT/IB2018/050211 (22) International Filing Date: 12 January 2018 (12.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 201721002955 25 January 2017 (25.01.2017) IN (71) Applicant: DORF KETAL CHEMICALS (INDIA) PRI- VATE LIMITED [IN/IN]; Dorf Ketal Tower, D'Monte Street, Orlem, Malad (W), Mumbai — 400064, Maharashtra (IN). (72) Inventor: SUBRAMANIYAM, Mahesh; Dorf Ketal Tow- er, D'Monte Street, Orlem, Malad (W), Mumbai — 400064, Maharashtra (IN). (74) Agent: MEHTA, Ramesh Kumar; Mehta & Mehta Asso- ciates, Mehta House, B-474, Sushant Lok-I, Sector 27, Gur- gaon — 122 002, NCR (IN). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: as to the identity of the inventor (Rule 4.170) as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(ii)) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3)) (54) Title: DEMULSIFICATION ADDITIVE COMPOSITION, USE THEREOF, AND METHOD OF DEMULSIFICATION (57) : The present invention relates to a demulsification additive composition for demulsification of water-in-oil emulsion caused due to wash water in the crude oil, wherein the composition comprises: (a) one or more demulsifiers (the component (a)); and (b) a compound selected from the group comprising glyoxal, neutralized glyoxal, glyoxal derivative and a mixture thereof (the component (b)), and (c) further comprises phosphoric acid (the component (c)). The present invention also relates to a method of using the present demulsification additive composition for demulsification of water-in-oil emulsion caused due to wash water in the crude oil. The present invention also relates to a method for demulsification of water-in-oil emulsion caused due to wash water in the crude oil by employing the present demulsification additive composition.